Stainless Steel Products - Rainbow Precision Products, Inc.
Stainless Steel Products - Rainbow Precision Products, Inc.
Stainless Steel Products - Rainbow Precision Products, Inc.
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S T A I N L E S S S T E E L C O M P A T I B I L I T Y<br />
MATERIAL OF COMPONENT PARTS<br />
Chain Link<br />
Series Plate Pin Bushing Roller<br />
400 (CS) AISI430 AISI304 AISI304 AISI304<br />
304 (SS) AISI304 AISI304 AISI304 AISI304<br />
316 (NS) AISI316 AISI316 AISI316 AISI316<br />
600 (AS) AISI304 Special ASTM631-HT ASTM631-HT<br />
13-7PH* 17-7PH* 17-7PH*†<br />
or 17-7PH*<br />
* PH: Precipitation-Hardened<br />
The corrosion resistance of special 13-7 PH is equal to that of 17-7 PH.<br />
† On double pitch oversized rollers, the roller material will be AISI304.<br />
STAINLESS STEEL CHAIN SELECTION<br />
General selection is based on bearing pressure between the pin and<br />
bushing. Anti-corrosive roller chains are normally intended to be used at<br />
slow speeds without lubrication. Chain selection should be made based<br />
on the bearing pressure shown below.<br />
Maximum<br />
Allowable Bearing Maximum<br />
Chain Pressure between Suggested<br />
Series Pin and Bushing Operating Speed<br />
400 (CS) 1,420 psi 230 ft/min<br />
304 (SS) 1,420 psi 230 ft/min<br />
316 (NS) 1,420 psi 230 ft/min<br />
600 (AS) 2,130 psi 230 ft/min<br />
PERFORMANCE OF ANTI-CORROSIVE CHAINS<br />
Chain Corrosion Temperature Wear<br />
Series Resistance Resistance Magnetism Resistance<br />
400 (CS) Good for -4˚F to 750˚F Magnetic Fair<br />
general<br />
chemicals,<br />
but less<br />
resistant than<br />
SS for acids<br />
Chain selection can be made using the following formula:<br />
Max. Chain Service Speed<br />
Temperature Maximum<br />
X<br />
X<br />
X<br />
≤<br />
Tension Factor Coefficient Factor Allowable Load<br />
Maximum allowable load or maximum bearing pressure as shown above<br />
can be doubled only when chain is used in group 1 of the “Corrosion<br />
Resistance Guide” and properly lubricated. Vibrations arising from<br />
ultrasonic waves, etc., must also be taken into consideration.<br />
304 (SS) Good for -40˚F to 750˚F Slightly Fair<br />
general acid, (Never use magnetic due<br />
alkali and below -270˚F to cold<br />
water or over forming<br />
1300˚F) of parts<br />
316 (NS) Superior to -40˚F to 750˚F Non-magnetic Fair<br />
SS and AS (Never use<br />
below -420˚F<br />
or over<br />
1500˚F)<br />
600 (AS) Slightly -40˚F to 750˚F Magnetic Very<br />
less than (Never use Good<br />
above below -40˚F or<br />
over 930˚F)<br />
10
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